/*******************************************************************************
 * This file is part of blueprint4j www.blueprint4j.org.
 * 
 *     blueprint4j is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     blueprint4j is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 * 
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with blueprint4j. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package blueprint4j.comm.io;

import blueprint4j.utils.*;

import java.io.*;

public class LineReaderBase64 extends LineReader {
	public LineReaderBase64(LineReader reader) {
		super(reader);
	}
	
	public LineReaderBase64(InputStream stream) {
		super(stream);
	}
	
	public byte[] readBytes() throws IOException,TimeoutException {
		byte buffer[] = read();
		int r = buffer.length;
		if (r % 4 != 0) {
			if (r >= 4) {
				unread(buffer,(r/4)*4,r);
				buffer = ByteM.subbyte(buffer,0,(r/4)*4);
			} else {
				markNoRead();
				unread(buffer,0,r);
				return null;
			}
		}
		return Base64.decode(new String(buffer,0,r).toCharArray());
	}
}
